CircuitBreaker

Enforces Circuit Breaker code quality standards: cognitive complexity

Enforces Circuit Breaker security hardening conventions across backend, frontend, Docker, and nginx. Use when modifying authentication logic, security headers, Docker configuration, credential handling, session management, URL validation, WebSocket auth, or any code in core/security.py, core/rbac.py, middleware/security_headers.py, url_validation.py, docker-compose.yml, nginx.mono.conf, entrypoint-mono.sh, or supervisord.mono.conf.